Lease Accounting - Schedule of Minimum Lease Payments Due (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Operating Lease Liabilities, Payments Due [Abstract]
Remainder of 2019	$ 15,239
2020	20,401
2021	20,599
2022	20,558
2023	19,772
Thereafter	57,038
Total future minimum lease payments	153,607
Amounts representing interest	(33,445)
Present value of net future minimum lease payments	$ 120,162	$ 0
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019		20,053
2020		19,344
2021		19,064
2022		18,802
2023		16,552
Thereafter		41,412
Total		$ 135,227

Amount of lessee's undiscounted obligation for lease payments for operating lease.

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-Name Accounting Standards Codification
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